| From: | "Jim C(dot) Nasby" <jnasby(at)pervasive(dot)com> |
|---|---|
| To: | Sriram Dandapani <sdandapani(at)counterpane(dot)com> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: slow cursor |
| Date: | 2006-04-21 02:35:40 |
| Message-ID: | 20060421023540.GS49405@pervasive.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-admin |
On Mon, Apr 17, 2006 at 07:07:54AM -0700, Sriram Dandapani wrote:
> I have a cursor that fetches 150K rows and updates or inserts a table
> with 150K rows.
>
> It takes several minutes for the process to complete (about 15 minutes).
> The select by itself (without cursor) gets all rows in 15 seconds.
>
> Is there a way to optimize the cursor to fetch all records and speed up
> the process. I still need to do the record by record processing
Not likely. Are you at least doing all this inside a transaction?
--
Jim C. Nasby, Sr. Engineering Consultant jnasby(at)pervasive(dot)com
Pervasive Software http://pervasive.com work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf cell: 512-569-9461
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Jim C. Nasby | 2006-04-21 02:57:44 | Re: Invalid Page Headers |
| Previous Message | Jim C. Nasby | 2006-04-21 01:42:43 | Re: Slony1 or DRBD for replication ? |